1328976220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3343}}^1$

素因数の和:3515

約数の個数: 96

約数和(自身を含む): 3303336960

約数和(自身を除く): 1974360740

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 139, 143, 220, 260, 278, 286, 556, 572, 695, 715, 1390, 1430, 1529, 1807, 2780, 2860, 3058, 3343, 3614, 6116, 6686, 7228, 7645, 9035, 13372, 15290, 16715, 18070, 19877, 30580, 33430, 36140, 36773, 39754, 43459, 66860, 73546, 79508, 86918, 99385, 147092, 173836, 183865, 198770, 217295, 367730, 397540, 434590, 464677, 478049, 735460, 869180, 929354, 956098, 1858708, 1912196, 2323385, 2390245, 4646770, 4780490, 5111447, 6040801, 9293540, 9560980, 10222894, 12081602, 20445788, 24163204, 25557235, 30204005, 51114470, 60408010, 66448811, 102228940, 120816020, 132897622, 265795244, 332244055, 664488110, 1328976220]

約数ペア:

[(1, 1328976220), (2, 664488110), (4, 332244055), (5, 265795244), (10, 132897622), (11, 120816020), (13, 102228940), (20, 66448811), (22, 60408010), (26, 51114470), (44, 30204005), (52, 25557235), (55, 24163204), (65, 20445788), (110, 12081602), (130, 10222894), (139, 9560980), (143, 9293540), (220, 6040801), (260, 5111447), (278, 4780490), (286, 4646770), (556, 2390245), (572, 2323385), (695, 1912196), (715, 1858708), (1390, 956098), (1430, 929354), (1529, 869180), (1807, 735460), (2780, 478049), (2860, 464677), (3058, 434590), (3343, 397540), (3614, 367730), (6116, 217295), (6686, 198770), (7228, 183865), (7645, 173836), (9035, 147092), (13372, 99385), (15290, 86918), (16715, 79508), (18070, 73546), (19877, 66860), (30580, 43459), (33430, 39754), (36140, 36773)]